Merge pull request readthedocs#5432 from rtfd/pyup/scheduled-update-2019-03-11

pyup:  Scheduled weekly dependency update for week 10

Author: stsewd

requirements/docs-lint.txt

@@ -1,2 +1,2 @@
-Sphinx==1.8.4
+Sphinx==1.8.5
 rstcheck==3.3.1

requirements/pip.txt

@@ -11,7 +11,7 @@ django-extensions==2.1.6
 djangorestframework==3.9.2
 
 # For intersphinx during builds
-Sphinx==1.8.4
+Sphinx==1.8.5
 
 # Filtering for the REST API
 django-filter==2.1.0
@@ -28,7 +28,7 @@ Pygments==2.3.1
 # These has to be removed once APIv1 is removed
 # https://github.com/rtfd/readthedocs.org/pull/5293
 # https://github.com/rtfd/readthedocs.org/pull/3082
-lxml==4.3.1
+lxml==4.3.2
 defusedxml==0.5.0
 
 # Basic tools

requirements/testing.txt

@@ -21,7 +21,7 @@ execnet==1.5.0
 # (Pinned to 4.4.2 since what we need for testing is still useful)
 Mercurial==4.4.2  # pyup: ignore
 
-yamale==1.8.1
+yamale==1.9.0
 pytest-mock==1.10.1
 
 # local debugging tools